package book.test05;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public  class MRMapper extends Mapper<LongWritable, Text, Text, IntWritable> {
    Text k = new Text();
    IntWritable v = new IntWritable(1);

    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        String[] data = value.toString().split(",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)", -1);
        //地区+融资阶段
        k.set(data[5]+"\t"+data[9]);
        context.write(k, v);
    }
}
